.page-contact {
  --contact-hero-pad: clamp(1.25rem, 4vw, 2.5rem);
  background: var(--ou-cream);
}

/* ---------- 首屏海报 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: var(--sp-6) 0 var(--sp-8);
  color: var(--ou-cream);
  background:
    radial-gradient(circle at 12% 8%, rgba(25, 227, 209, 0.16), transparent 46%),
    linear-gradient(165deg, var(--ou-blue) 0%, var(--ou-blue-deep) 55%, var(--ou-green-deep) 100%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -28%;
  right: -22%;
  width: 78%;
  height: 156%;
  transform: skewX(-14deg);
  background: linear-gradient(158deg, rgba(255, 138, 31, 0.34), rgba(255, 138, 31, 0) 62%);
  pointer-events: none;
}

.page-contact .contact-hero__crumbs {
  position: relative;
  z-index: 2;
  margin-bottom: var(--sp-5);
  color: rgba(255, 248, 236, 0.7);
}

.page-contact .contact-hero__crumbs a {
  color: var(--ou-cyan);
}

.page-contact .contact-hero__crumbs [aria-current="page"] {
  color: var(--ou-cream);
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: var(--sp-6);
}

.page-contact .contact-hero__copy .eyebrow {
  color: var(--ou-orange);
}

.page-contact .contact-hero__copy h1 {
  margin: 0 0 var(--sp-4);
  font-size: clamp(1.85rem, 6.6vw, 3.5rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ou-cream);
}

.page-contact .contact-hero__lede {
  max-width: 40ch;
  color: rgba(255, 248, 236, 0.84);
  font-size: var(--fs-16);
  line-height: 1.75;
}

.page-contact .contact-hero__lines {
  margin-top: var(--sp-6);
  padding-left: var(--sp-4);
  border-left: 3px solid var(--ou-orange);
}

.page-contact .hero-line + .hero-line {
  margin-top: var(--sp-5);
}

.page-contact .hero-line__label {
  display: block;
  margin-bottom: var(--sp-1);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--ou-cyan);
}

.page-contact .hero-line__value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ou-cream);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .hero-line__value {
  font-size: clamp(1.85rem, 7.2vw, 3rem);
}

.page-contact .hero-line__value--mail {
  font-size: clamp(0.95rem, 3.6vw, 1.6rem);
  color: var(--ou-orange-soft);
}

.page-contact .contact-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin: var(--sp-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__media {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid rgba(25, 227, 209, 0.3);
  box-shadow: var(--shadow-lift);
  background: linear-gradient(150deg, var(--ou-green), var(--ou-blue-deep));
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .contact-hero__caption {
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: rgba(255, 248, 236, 0.72);
  background: rgba(6, 20, 40, 0.72);
}

/* ---------- 通道卡 ---------- */
.page-contact .contact-channels__intro {
  max-width: 46ch;
  margin: var(--sp-3) 0 0;
  color: var(--text-body);
  line-height: 1.75;
}

.page-contact .channel-grid {
  display: grid;
  gap: var(--sp-4);
  margin: var(--sp-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel-card {
  padding: var(--sp-5);
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  border-left: 4px solid var(--ou-sand);
  background: #fff;
  box-shadow: var(--shadow-lift);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-contact .channel-card:hover {
  transform: translateY(-2px);
  border-left-color: var(--ou-orange);
}

.page-contact .channel-card--accent {
  border-left-color: var(--ou-cyan);
}

.page-contact .channel-card--address {
  border-left-color: var(--ou-green);
}

.page-contact .channel-card__value {
  margin: var(--sp-3) 0 var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-strong);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--plain {
  font-family: var(--font-body);
  font-size: var(--fs-20);
  line-height: 1.5;
}

.page-contact .channel-card__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-body);
}

/* ---------- 分段清单 ---------- */
.page-contact .route-layout {
  display: grid;
  gap: var(--sp-5);
  margin-top: var(--sp-6);
}

.page-contact .contact-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-tabs .tabs__tab {
  font: inherit;
  font-size: var(--fs-14);
  font-weight: 700;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text-strong);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-tabs .tabs__tab:hover {
  border-color: var(--ou-orange);
}

.page-contact .contact-tabs .tabs__tab[aria-selected="true"] {
  background: var(--ou-orange);
  border-color: var(--ou-orange);
  color: var(--ou-ink);
}

.page-contact .contact-tabs .tabs__tab:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.page-contact .contact-tabs .tabs__panel {
  padding-top: var(--sp-5);
}

.page-contact .contact-panel__title {
  margin: 0 0 var(--sp-4);
  font-size: var(--fs-20);
  font-weight: 800;
  color: var(--text-strong);
}

.page-contact .contact-panel__lead {
  margin: 0 0 var(--sp-4);
  max-width: 44ch;
  color: var(--text-body);
  line-height: 1.75;
}

.page-contact .contact-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: cstep;
}

.page-contact .contact-steps li {
  position: relative;
  padding: 0 0 var(--sp-4) 3rem;
  counter-increment: cstep;
  color: var(--text-body);
  line-height: 1.75;
}

.page-contact .contact-steps li::before {
  content: counter(cstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15rem;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--ou-orange);
}

.page-contact .contact-steps li::after {
  content: "";
  position: absolute;
  left: 0.62rem;
  top: 1.7rem;
  bottom: 0.45rem;
  width: 1px;
  background: var(--line);
}

.page-contact .contact-steps li:last-child::after {
  display: none;
}

.page-contact .contact-steps strong {
  color: var(--text-strong);
}

.page-contact .contact-checks {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-checks li {
  position: relative;
  padding: 0 0 var(--sp-3) 1.6rem;
  color: var(--text-body);
  line-height: 1.75;
}

.page-contact .contact-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68rem;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 2px;
  background: var(--ou-cyan);
}

.page-contact .contact-panel__note {
  margin: var(--sp-2) 0 0;
  padding: var(--sp-4);
  border-radius: var(--radius-s);
  background: rgba(255, 138, 31, 0.1);
  border-left: 3px solid var(--ou-orange);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-body);
}

.page-contact .contact-panel__action {
  margin: var(--sp-5) 0 0;
}

/* ---------- 侧栏视觉 ---------- */
.page-contact .contact-visual {
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--ou-green);
  color: var(--ou-cream);
  box-shadow: var(--shadow-lift);
}

.page-contact .contact-visual__media {
  margin: 0;
}

.page-contact .contact-visual__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .contact-visual__body {
  padding: var(--sp-5);
}

.page-contact .contact-visual__kicker {
  margin: 0 0 var(--sp-2);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--ou-cyan);
}

.page-contact .contact-visual__title {
  margin: 0 0 var(--sp-3);
  font-size: var(--fs-28);
  font-weight: 900;
  line-height: 1.15;
  color: var(--ou-cream);
}

.page-contact .contact-visual__body p {
  margin: 0 0 var(--sp-3);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(255, 248, 236, 0.82);
}

.page-contact .contact-visual__meta {
  padding-top: var(--sp-3);
  border-top: 1px solid rgba(255, 248, 236, 0.2);
  font-size: var(--fs-14);
  color: rgba(255, 248, 236, 0.72);
}

.page-contact .contact-visual__meta .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-20);
  color: var(--ou-orange);
}

/* ---------- 到访与时间 ---------- */
.page-contact .contact-arrive {
  position: relative;
  overflow: hidden;
  background-color: var(--ou-green-deep);
  background-image:
    radial-gradient(circle at 88% 10%, rgba(25, 227, 209, 0.18), transparent 56%),
    radial-gradient(circle at 4% 92%, rgba(255, 138, 31, 0.2), transparent 52%),
    repeating-linear-gradient(90deg, rgba(255, 248, 236, 0.055) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(0deg, rgba(255, 248, 236, 0.055) 0 1px, transparent 1px 76px);
}

.page-contact .arrive-grid {
  display: grid;
  gap: var(--sp-6);
}

.page-contact .arrive-main h2 {
  margin: 0 0 var(--sp-4);
}

.page-contact .arrive-address {
  margin: 0 0 var(--sp-4);
  padding-left: var(--sp-4);
  border-left: 3px solid var(--ou-orange);
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.4vw, 1.35rem);
  font-weight: 700;
  line-height: 1.6;
  color: var(--ou-cream);
}

.page-contact .arrive-note {
  max-width: 48ch;
  margin: 0 0 var(--sp-5);
  font-size: var(--fs-16);
  line-height: 1.8;
  color: rgba(255, 248, 236, 0.8);
}

.page-contact .arrive-hours {
  margin: 0;
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--radius-m);
  border: 1px solid rgba(25, 227, 209, 0.28);
  background: rgba(6, 20, 40, 0.62);
  backdrop-filter: blur(2px);
}

.page-contact .hours-row {
  display: grid;
  gap: var(--sp-1);
  padding: var(--sp-3) 0;
  border-bottom: 1px dashed rgba(255, 248, 236, 0.18);
}

.page-contact .hours-row:last-child {
  border-bottom: 0;
}

.page-contact .hours-row dt {
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--ou-cyan);
}

.page-contact .hours-row dd {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--ou-cream);
}

/* ---------- 尾段 ---------- */
.page-contact .tail-band {
  display: grid;
  gap: var(--sp-5);
  padding: var(--sp-6) var(--sp-5);
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-lift);
}

.page-contact .tail-band__title {
  margin: 0 0 var(--sp-3);
  font-size: clamp(1.35rem, 4.4vw, 1.9rem);
  font-weight: 900;
  line-height: 1.25;
  color: var(--text-strong);
}

.page-contact .tail-band__text {
  margin: 0;
  max-width: 52ch;
  color: var(--text-body);
  line-height: 1.8;
}

.page-contact .tail-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  align-items: flex-start;
}

.page-contact .contact-tail__legal {
  margin: var(--sp-5) 0 0;
  font-size: var(--fs-14);
  color: var(--text-mute);
  line-height: 1.8;
}

.page-contact .contact-tail__legal a {
  color: var(--ou-green);
  font-weight: 700;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .hours-row {
    grid-template-columns: minmax(7rem, 0.4fr) minmax(0, 1fr);
    gap: var(--sp-3);
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-top: var(--sp-7);
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: var(--sp-7);
  }

  .page-contact .contact-hero__lede {
    font-size: var(--fs-20);
  }

  .page-contact .arrive-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: var(--sp-7);
  }

  .page-contact .tail-band {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
    padding: var(--sp-7);
  }

  .page-contact .tail-band__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1040px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .route-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: var(--sp-7);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .contact-tabs .tabs__tab {
    transition: none;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}